lightsystem
nounUK /ˈlaɪtˌsɪstəm/
US /ˈlaɪtˌsɪstəm/
A light system is a group of lights that work together.
The stage lightsystem made the whole room glow.
OTHER MEANINGS
2. The set of lights on a vehicle.
The car's lightsystem warned other drivers at night.
3. A traffic signal network that controls cars.
The city upgraded its lightsystem at busy crossings.
4. A computer-controlled set of lights in a building.
The smart lightsystem turns off when no one is home.